import Vue from 'vue'
import VueRouter from 'vue-router'

// import Login from '../components/Login.vue'
const Login = () =>
    import ( /* webpackChunkName: "login_home_welcome" */ '../components/Login.vue')

// import Home from '../components/Home.vue'
const Home = () =>
    import ( /* webpackChunkName: "login_home_welcome" */ '../components/Home.vue')

// import Welcome from '../components/Welcome.vue'
const Welcome = () =>
    import ( /* webpackChunkName: "login_home_welcome" */ '../components/Welcome.vue')

// import User from '../components/user/Users.vue'
// import Rights from '../components/power/Rights.vue'
// import Roles from '../components/power/Roles.vue'

const User = () =>
    import ( /* webpackChunkName: "Users_Right_Roles" */ '../components/user/Users.vue')

const Rights = () =>
    import ( /* webpackChunkName: "Users_Right_Roles" */ '../components/power/Rights.vue')

const Roles = () =>
    import ( /* webpackChunkName: "Users_Right_Roles" */ '../components/power/Roles.vue')


// import Cate from '../components/goods/Cate.vue'
// import Params from '../components/goods/Params.vue'
const Cate = () =>
    import ( /* webpackChunkName: "Cate_Params" */ '../components/goods/Cate.vue')
const Params = () =>
    import ( /* webpackChunkName: "Cate_Params" */ '../components/goods/Params.vue')

// import GoodsList from '../components/goods/List.vue'
// import Add from '../components/goods/Add.vue'

const GoodsList = () =>
    import ( /* webpackChunkName: "List_Add" */ '../components/goods/List.vue')
const Add = () =>
    import ( /* webpackChunkName: "List_Add" */ '../components/goods/Add.vue')


// import Order from '../components/order/Order.vue'
// import Report from '../components/report/Report.vue'

const Order = () =>
    import ( /* webpackChunkName: "Order_Report" */ '../components/order/Order.vue')
const Report = () =>
    import ( /* webpackChunkName: "Order_Report" */ '../components/report/Report.vue')


Vue.use(VueRouter)

const router = new VueRouter({
    routes: [
        //路由重定向
        { path: '/', redirect: '/login' },
        { path: '/login', component: Login },
        {
            path: '/home',
            component: Home,
            redirect: '/welcome',
            children: [
                { path: '/welcome', component: Welcome },
                { path: '/users', component: User },
                { path: '/rights', component: Rights },
                { path: '/roles', component: Roles },
                { path: '/categories', component: Cate },
                { path: '/params', component: Params },
                { path: '/goods', component: GoodsList },
                { path: '/goods/add', component: Add },
                { path: '/orders', component: Order },
                { path: '/reports', component: Report },
            ]
        }
    ]
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
    // to 即将访问的路径
    // from 代表从哪个路径跳转而来
    // next 是一个函数，表示放行
    if (to.path == '/login') return next();
    // 获取跳转token
    const tokenStr = window.sessionStorage.getItem('token');
    if (!tokenStr) return next('/login');
    next();
})

export default router